@article{00874328,
title = {Two criteria for univalency.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {19},
year = {1996},
pages = {409-410},
doi = {10.1155/S0161171296000579},
zbl = {0905.30014},
language = {en},
url = {http://dml.mathdoc.fr/item/00874328}
}
Samaris, N. Two criteria for univalency.. International Journal of Mathematics and Mathematical Sciences, Tome 19 (1996) pp. 409-410. doi : 10.1155/S0161171296000579. http://gdmltest.u-ga.fr/item/00874328/